Nathanael Thompson Petros Zerfos Haiyun Luo Jatinder Pal Singh Zuoning Yin Authentication on the edge: distributed authentication for a global open wi-fi network. 334-337 2007 conf/mobicom/2007 MOBICOM http://doi.acm.org/10.1145/1287853.1287898 db/conf/mobicom/mobicom2007.html#ThompsonZLSY07